초록

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Abstract ▼ AI-Helper

In this study, we analyzed the trend of the Westerlies having the direct and indirect effects to Korean climate and weather over the Korean Peninsula. We use 200hPa, 300hPa, 500hPa wind data of Kwangju and Pohang over a period of 30 years from 1979 to 2008. Trend of the Westerlies observed in Kwangj...

In this study, we analyzed the trend of the Westerlies having the direct and indirect effects to Korean climate and weather over the Korean Peninsula. We use 200hPa, 300hPa, 500hPa wind data of Kwangju and Pohang over a period of 30 years from 1979 to 2008. Trend of the Westerlies observed in Kwangju has oscillates with wide deviation. Therefore, statistically, it seems that it has no meaning. In Pohang, westerlies show different features before and after 1988. While the first half of wind speed is decreasing, the second half of wind speed is gradually increasing. In the case of altitude, because surface friction slows the wind and changes the wind direction, the higher the altitude, the more wind there is. Also, deviations are reduced according to the height. From seasonal analysis, spring and winter have similar movements. In addition, summer and fall also have similar traces. Winter is the strongest period of westerlies and summer is the weakest span of that. The further studies are required to use reanalysis data provided from NCEP NCAR to analyze the trend of the Westerlies in Korea more accurately.

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